Friction-clutch.



PATENTED SEPT. 6, 1904.

J. G. HBASLET. FRICTION CLUTCH.

APPLIUATION FILED Nov.14,19oa.

y k I N0 MODEL.

ing shoulders at both ends (one indicated at No. 769,543. Patented September 6, 1904.

UNTTED STATES PATENT OFFICE.

JAMES G. HEASLET, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO HIMSELF AND HARRY M. HART, OF PHILADELPHIA, PENNSYLVANIA.

FRlCTlON-LCLUTCH.

SPECIFICATION forming part of Letters Patent No. 769,543, dated September 6, 1904.

Application filed November 14, 1903. Serial No. 181,123. lNo model.)

Be it known thatI, JAMES G. H nAsLn'r, a citizen of theUnited States of America,residing in the city and county of Philadelphia, in the State of Pennsylvania, have invented a certain new and useful Improvement in Friction-Clutches, of which the following is a true and exact description, reference being' had to the accompanying drawings, which form a part thereof.

My invention relates to friction-clutches,and is especially adapted and intended for connecting together parallel shafts and for use in connection with automobiles, although obviously its uses may he widely extended.

The nature of my improvements will be best understood as described in connection with the drawings in which they are illustrated, and in which# Figure l is a side elevation of the clutch mechanism, taken as on the section-line l l of Fig. 2; and Fig. Q is a sectional view taken on the line 2 2 of Fig. l.

A and B indicate the parallel shafts. In the construction shown the shaft A is formed with a central recess A, which receives the reduced end B of the shaft B, said shaft B being in this construction the power-shaft and havingl secured to its end through the hub C a plate U, which is shown as the web supporting a fly-wheel, (indicated at O2.) The web or plate C' has secured to and extending out from it studs, (indicated at l) D.) which in turn support the longitudinally-movable sleeves. (indicated at E E,) said sleeves havl against the shoulder E', and the other moving l freely on the sleeve. The outer plate G2 is also l formed or provided with brackets@l i", which support pivot-pins on which turn the levers, (indicated at H H.) The ends Il of said levers are forked and abut against the inside of the shoulders formed by the nuts E2, while the other ends, H H, of the levers rest in coutact with the flange of an annular sleeve J, longitudinally movable along the shaft A and normally forced toward the clutch by a spring Ii, abuttcd against a collar l.

It will readily be seen that the normal action of the spring l( being to force the sleeve .I toward the clutch will `force the ends H H of the levers also toward the clutch, with the result that the ends H H are forced outward against the shoulders E2, thus tending to draw the sleeves E E and the plate (i outward, while the pressure of the levers on their pivotpins forces the plate G2 inward, thus clamping the friction-plate between the two clamping-plates and coupling the two shafts together. .l lind it preferable to use the diverging elastic tongues in the friction-plate, though it will be understood that `these are not absolutely necessary. \Vhen it is desired to uncouple the shafts, the sleeve J is moved backward against the pressure of the spring l( by any convenient means, with, of course, the result of permitting the plates (ir and G2 to separate and relaxing' the frictional engagement of the parts.

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, isA

l. A clutch for coupling parallel shafts consisting of a plate O, secured to the end of one shaft. in combination with studs D, I), extending' from the outer face ot' said plate, sleeves E, E, supported on said studs and having shoulders E, E2, at their opposite ends, clampingplates (i, (if, supported on said sleeves, the outer plate G2, having pivot-supporting brackets (1, (it, secured to it, a friction-disk F, secured to the end of the other shaft and extending between plates (i, (if, levers H, l'l, H, HQ pivoted on brackets Gr, G", and having their ends H, in contact with E() formed by an outwardly-extending 'flange of the hub,while the other shoulder (indicated at Ei) is preferably formed by a nut screwing on the end of the sleeve. 'Io the end of the other shaft, A, through its hub F is secured a friction-disk F, which by preference is i formed or provided with two diver-ging elastic plates, (indicated at F2 and F3.) One of the plates, as illustrated, is formed integrally with the inner plate F', while the other, F3, is secured to it by means of boltsf.

(t and (r2 are clamping-plates, which by means of perforated lugs G and G are secured on the sleeves E E, the one abutting tion-disk F, having diverging elastic flanges F2, F3, secured to the end of the other shaft and extending between plates G, G2, levers' I5 H, H', H, H', pivoted on brackets G2, G2, and havingtheir ends H in contact With shoulders E2 of sleeves E, and means for actuating the levers to engage and disengage the clampingplates With the friction-disk.

JAMES G. HEASLET.

Witnesses:

GEO. G. WHITCOMB, HART O. BERG. 

